Fix Error Game Security Violation Detected
Try the workarounds mentioned below to Fix Game Security Violation Detected error with Hell Let Loose game.
Close Aura Software
Close Asus LightningService.exe (RGB services) from the task manager, this is a temporary solution. When you will restart your PC the RGB services will start automatically so you need to close the RGB services once again.
To fix it permanently, try updating Aura software (RGB) to the latest, if the issue still persists, uninstall and reinstall the latest version, few players were also able to resolve this error by installing the old version.
Run Hell Let Loose As An Administrator
Exit out of the game, double check task manager to see if there is a hidden RunHellLet Loose.exe.
Go to the installation directory and make a right click on the exe file of Hell Let Loose and run the game as an administrator.
Also, make sure to close all the background app running.
Add the Game To The Windows Security or Other Antivirus
Add Run Hell Let Loose exe file through Controlled folder access. If you have any other antivirus, make sure to add Run Hell Let Loose to allow list and also try running the game as an administrator.
Type in Windows Security in the windows search box to open Windows Security.
Click on Virus & threat protection
On the next screen under Ransomware protection click on Manage ransomware protection.
Under Controlled folder access, click on allow an app through Controlled folder access
and then click on Add an Allowed app and select Browse all apps to add Run Hell Let Loose exe.
Disable Windows Security or Antivirus Program
Disabling Windows Security/Windows Defender or other antivirus programs while playing Hell Let Loose may get rid of the error.
I hope the above steps helped you to fix Game Security Violation Detected error.